Guidelines for teaching mathematics /
Johnson, Donovan A.
Guidelines for teaching mathematics / Donovan A. Johnson. - 2nd ed. - Belmont, Ca. : Wadsworth Publishing Co., 1972. - x, 544 p. : ill. ; 23 cm.
0534001890
Mathematics--Study and teaching.
Guidelines for teaching mathematics / Donovan A. Johnson. - 2nd ed. - Belmont, Ca. : Wadsworth Publishing Co., 1972. - x, 544 p. : ill. ; 23 cm.
0534001890
Mathematics--Study and teaching.
